89536840 has 16 divisors (see below), whose sum is σ = 201457980. Its totient is φ = 35814720.

The previous prime is 89536823. The next prime is 89536849. The reversal of 89536840 is 4863598.

It can be written as a sum of positive squares in 2 ways, for example, as 89529444 + 7396 = 9462^2 + 86^2 .

It is not an unprimeable number, because it can be changed into a prime (89536849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1119171 + ... + 1119250.

Almost surely, 2^89536840 is an apocalyptic number.

It is an amenable number.

89536840 is an abundant number, since it is smaller than the sum of its proper divisors (111921140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89536840 is a wasteful number, since it uses less digits than its factorization.

89536840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238432 (or 2238428 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 89536840 is about 9462.3908183926. The cubic root of 89536840 is about 447.3704086745.

The spelling of 89536840 in words is "eighty-nine million, five hundred thirty-six thousand, eight hundred forty".